Internet cafes and their problems: Research on primary school students, teachers and internet cafe business managers

Bu araştırmada internet kafelerde ortaya çıkan sorunlara ilişkin ilköğretim 2. kademe öğrencileri ve öğretmenleri ile internet kafe işletmecilerinin görüşlerinin ortaya konulması ve öğrencilerin internet kafeye ilişkin tutumlarının belirlenmesi amaçlanmıştır. Araştırma giriş, kuramsal bilgiler ve ilgili araştırmalar, yöntem, bulgular ve yorumlar, sonuç ve öneriler olmak üzere beş bölümden oluşmaktadır. Tarama türünde yürütülen bu araştırma, Gaziantep ilinde bulunan 8 ilköğretim okulu ve 16 internet kafede yapılmıştır. Araştırma üç farklı sosyo ekonomik grupta bulunan toplam 632 öğrenci, ilköğretim okullarında görev yapan 95 branş öğretmeni ve 16 internet kafe işletmecisi üzerinde gerçekleştirilmiştir. lköğretim 2. kademe öğrencilerine ?Öğrenci Anketi? ve ? nternet Kafe Tutum Ölçeği?, ilköğretimde görev yapan branş öğretmenlerine ?Öğretmen Anketi?, internet kafe işletmecilerine ? nternet Kafe şletmecisi Görüşme Formu? uygulanmıştır. Anketlerden, tutum ölçeğinden ve görüşme formundan elde edilen veriler istatistiksel teknik olarak frekans (f) ve yüzde (%) gerekli görüldüğü yerlerde, tek yönlü varyans analizi, t-testi, Ki-Kare kullanılarak açıklanmış ve yorumlanmıştır. It is aimed in this research to investigate precisely the opinions 2nd degree students and teachers together with the business managers of the internet cafes regarding the problems occurred in internet cafes and the attitude of the students towards internet cafes. The research consists of five parts as introduction, theoretical background and related researches, method, findings and interpretations, conclusions and recommendations. This research, conducted as a type of survey thoroughly, was performed at eight primary schools and sixteen internet cafes in Gaziantep. It was implemented on total 632 students from three different social economic groups, 95 branch teachers working in primary schools and 16 internet café business managers. ?Student Survey? and ?Internet Café Attitude Scale? for Primary Education Second Degree students, ?Teacher Survey? for branch teachers working in Primary Education and ?Internet Café Business Manager Interview Form" for internet cafe business managers were used. The data, received from surveys, attitude scale and interview forms, were explained and interpreted statistical technically by using frequency (f) and percent (%), One way Anova, t- test, where necessary Chi-Square

Comparison of results of conservative method and plate fixation method for the treatment of Ruedi/allgower type 1 Pilon fractures

The aim of this study was to compare the results of cast application and plate fixation in the management of Ruedi/Allgower type I Pilon fracturesPatients and methods: Forty-two patients (24 females, 18 males) with Ruedi/Allgower type I Pilon fractures were retrospectively reviewed. Sixteen patients (Group 1) (10 females, 6 males; mean age 43 years; range 18-56) had been treated with cast application and 26 patients (Group 2) (14 females, 12 males; mean age 37.7 years; range 19-52) had been treated with plate fixation. All patients were diagnosed with X-ray. Radiologic examinations were made using Ovadia and Beal’s criteria. Long term functional results of foot and ankle were evaluated according to the Tenny and Wiss citeria. The mean follow-up period was 28 months (range 12-44) in Group 1 and 31 months (range 16-46) in Group 2.Results: Mean reduction quality score was 12 points in Group 1, and 10 points in Group 2. The difference between the groups was statistically significant (p<0.05). Mean long term functional results of foot and ankle scored 84 and 86 in Group 1, and Group 2, respectively (p>0.05). Time to union was not different between both groups (p>0.05).Conclusion: Although the quality of reduction obtained with cast application was not as satisfactory as plate fixation; good results could be obtained in both groups regarding long term functions

The Effects of Bleomycin on the Structural Abnormalities of Chromosomes in Smokers

Bleomycin in doses 0.3, 3 and 30 μg/ml was used with periods 6, 24 and48 hours on 5 male samples who were smokers, in in-vitro conditions andunder control so totally 3000 metaphases were evaluated.Structural chromosome aberrations were influenced by the increases indosage. While the ratio total structural aberrations to the number ofmetaphases examined was 25.2% in control groups, It was 47.3% in 0.3μg/ml group, 76% in 3 μg/ml and rose up to 116.8% in 30 μg/ml experimentgroup. In addition due to the increases in dosage, there was an increase instructural aberration quantities and qualities

Viskoelastik Malzemeli Kemik-plak Sisteminin Performans Açısından Değerlendirilmesi

Konferans Bildirisi -- Teorik ve Uygulamalı Mekanik Türk Milli Komitesi, 2008Conference Paper -- Theoretical and Applied Mechanical Turkish National Committee, 2008Bu çalışmada, prototipi üretilmiş viskoelastik malzemeli kemik plağı, sonlu elemanlar yöntemi kullanılarak performansı açısından değerlendirilmiştir. Bu amaçla, viskoelastik malzemeli, Ti alaşımlı ve paslanmaz çelikten (316L) imal edilmiş kemik plaklarının uzun tibia kemiğine vidalarla bağlanmış üç boyutlu sonlu elemanlar modeli ANSYS programı kullanılarak oluşturulmuş ve aynı yükleme ve sınır koşulları altında gerilme analizleri yapılmıştır. İyileşmenin olmadığı durum için plakların orta kesitlerinde meydana gelen maksimum çekme ve basma gerilmeleri teorik olarak hesaplanmıştır. Elde edilen sonuçların nümerik sonuçlarla uyuştuğu görülmüştür. Kemiğin iyileşmesi sürecinde kırık ara yüzeyinde meydana gelen gerilmeler üç farklı kemik-plak sistemi içinde incelenmiş, elde edilen sonuçlar grafiksel olarak gösterilerek karşılaştırılmıştır. Viskoelastik malzemeli kemik plağının, paslanmaz çelik ve Ti alaşımlı kemik plağına kıyasla kırık ara bölgesinde gerilme kalkanını azaltarak iyileşmeyi hızlandıracak daha büyük basma gerilmeleri meydana getirdiği tespit edilmiştir.In this study, the bone plate with viscoelastic material, prototype of which was made, was evaluated in terms of its performance. For this reason, 3D finite element models of the bone plate with viscoelastic material and traditional bone plates, made of stainless steel (316L) and Ti alloy, have been developed by using ANSYS program and their stress analyses have been carried out under the same loading and boundary conditions. Maximum compressive and tensile stresses occurring in the middle sections of the bone plates in the beginning (there is no callus formation) have been calculated theoretically. These values have been compared with analysis results so that it could be verified that the results of numerical study were reasonable. Compressive stresses occurring in the intact portion of the bone (tibia) and at the fractured interface at the different stage of bone-healing have been investigated for all the three types of fixation. The results obtained have been compared and shown in graphs. It has been determined that the bone plate with viscoelastic material offers less stress-shielding to the bone, providing higher compressive stress at the fractured interface to induce accelerated healing in comparison with Ti alloy and stainless steel bone plate

Otobüslerde Kullanılan Plastik Yakıt Tanklarının Statik Ve Dinamik Analizler Yardımıyla Dayanımının İncelenmesi

Konferans Bildirisi -- Teorik ve Uygulamalı Mekanik Türk Milli Komitesi, 2015Conference Paper -- Theoretical and Applied Mechanical Turkish National Committee, 2015Günümüzde, otobüslerde kullanılmakta olan konvansiyonel metal yakıt tankları yerini plastik yakıt tanklarına bırakmaktadır. Bu makalede, plastik yakıt tanklarının, statik ve dinamik analizlere dayalı, bilgisayar destekli, geliştime-tasarım projesinn bir kısmı sunulmuştur. Öncelikle, plastik malzemenin mekanik özelliklerini bulmaya yönelik kupon testleri gerçekleştirilmiştir. Statik analizlerde yakıt tankına eşdeğer yükler uygulanmıştır. Dinamik analizler ise zamanla değişen yük, yakıt ve tankın atalaet momentleri göz önüne alınmış ve modal transient analiz yöntemi kullanılmıştır. Statik analizlerde, eşdeğer statik yükleme yaklaşımı kullanılmaktadır. Yapılan dinamk analizlerde, akışkan akustik elemanlar kullanılarak modellenmiştir. Yakıt tankı farklı doluluk oranları için incelenerek karşılaştırılmış ve sonuçları bu bildiride paylaşılmıştır.Nowadays, the conventional metal fuel tanks used in buses are being replaced with plastic fuel tanks. In this paper, a part of the project which aims to develop a computer aided methodology for developing/designing of the plastic fuel tanks based on static and dynamic analysis is presented. Coupon tests are first conducted to acquire the mechanical properties of the plastic material. In the static analysis, equivalent static loads are applied to the fuel tanks. In the dynamic analysis, the time varying loading and the inertia of the fluid and fuel tanks are taken into account using modal transient analysis. Fluid which is in the tank is modeled with acoustic approach in dynamic analysis. In this paper, different fullness ratios of the fuel tank are investigated and both results are compared each other

Simultaneous bilateral tibal tubercle avulsion: A rare fracture

Tibial tuberosity avulsion is a rare fracture in adolescence.Due to the shear forces on the immature epiphysis. Thirteenyears old girl was admitted to the emergency departmentwith knee pain and tenderness in both knees afterjumping from a height of about one meter. İn examinationshe had tenderness and swelling over both tibial tuberosities.The patient could not do active knee extension. TypeIIA fracture on the left and type IIIA fracture on the rightknee were detected. For the patient’s fractures, closedreduction and fixation with 3 smooth Kirschner wires wasperformed. After immobilization in long-leg brace for threeweeks the brace was removed and she include in therehabilitation program. In this report, we discuss similarcases in the literature and the results of the treatment appliedto our patient.Key words: Tuberositas tibia, avulsion fracture, percutaneouspinnin

Kim o birkaç soyu kırık?

Taha Toros Arşivi, Dosya No: 47-Turgut Özal. Not: Gazetenin "Evet/Hayır" köşesinde yayımlanmıştır.Unutma İstanbul projesi İstanbul Kalkınma Ajansı'nın 2016 yılı "Yenilikçi ve Yaratıcı İstanbul Mali Destek Programı" kapsamında desteklenmiştir. Proje No: TR10/16/YNY/010